glibc/sysdeps/mips/bits/setjmp.h
2005-03-28 09:32:27 +00:00

87 lines
2.3 KiB
C

/* Define the machine-dependent type `jmp_buf'. MIPS version.
Copyright (C) 1992, 1993, 1995, 1997, 2000, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _MIPS_BITS_SETJMP_H
#define _MIPS_BITS_SETJMP_H 1
#if !defined(_SETJMP_H) && !defined(_PTHREAD_H)
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
#include <sgidefs.h>
typedef struct
{
#if _MIPS_SIM == _ABIO32
/* Program counter. */
__ptr_t __pc;
/* Stack pointer. */
__ptr_t __sp;
/* Callee-saved registers s0 through s7. */
int __regs[8];
/* The frame pointer. */
__ptr_t __fp;
/* The global pointer. */
__ptr_t __gp;
#else
/* Program counter. */
__extension__ long long __pc;
/* Stack pointer. */
__extension__ long long __sp;
/* Callee-saved registers s0 through s7. */
__extension__ long long __regs[8];
/* The frame pointer. */
__extension__ long long __fp;
/* The global pointer. */
__extension__ long long __gp;
#endif
/* Floating point status register. */
int __fpc_csr;
/* Callee-saved floating point registers. */
#if _MIPS_SIM == _ABI64
double __fpregs[8];
#else
double __fpregs[6];
#endif
} __jmp_buf[1];
#ifdef __USE_MISC
/* Offset to the program counter in `jmp_buf'. */
# define JB_PC 0
#endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (jmpbuf)[0].__sp)
#endif /* _MIPS_BITS_SETJMP_H */